Aptitude Questions: Simplification Set 20

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1. 47.008 – 20.998 + √256.01 = ? * 2.0001
   a) 20
   b) 21
   c) 22
   d) 23
   e) 24
   
   Answer & Explanation

   Answer – b) 21
   Explanation :
   47 – 21 + 16 = ?*2
   ? = 21
   
   
   
2. 2176.981 + 413. 001 – 1872.993 = ? + 12.01*21.992
   a) 423
   b) 433
   c) 443
   d) 453
   e) 463
   
   Answer & Explanation

   Answer – d) 453
   Explanation :
   2177 + 413 – 1873 = ? + 264
   ? = 453
   
   
   
3. (1/2)*(47.001*17.998) – (1/2)*(2/7)*49.012 = ?
   a) 423
   b) 420
   c) 416
   d) 450
   e) 432
   
   Answer & Explanation

   Answer – c) 416
   Explanation :
   (1/2)*(846) – 7 = ?
   ? = 416
   
   
   
4. √80.9 + √224.98 + 13.01*17.99 = ?
   a) 253
   b) 257
   c) 263
   d) 267
   e) none of these
   
   Answer & Explanation

   Answer – b) 257
   Explanation :
   9 + 15 + 13*18 = ?
   ? = 257
   
   
   
5. 1235.092 + 4532.998 – ? + 1279.991 = 4000.001
   a) 2048
   b) 3048
   c) 3648
   d) 4048
   e) none of these
   
   Answer & Explanation

   Answer – b) 3048
   Explanation :
   ? = 7048 – 4000 = 3048
   
   
   
6. 1.980*4.059 + 14.0101*3.009 – 4.003*6.001 = ?
   a) 22
   b) 24
   c) 26
   d) 28
   e) 30
   
   Answer & Explanation

   Answer – c) 26
   Explanation :
   8 + 42 – 24 = ?
   ? = 26
   
   
   
7. (1/2)*(1/17.01)*289*? = 4.001*2.01
   a) 16/17
   b) 14/17
   c) 15/17
   d) 13/17
   e) 17/16
   
   Answer & Explanation

   Answer – a) 16/17
   Explanation :
   ? = (4*2*2)/17 = 16/17
   
   
   
8. √1023.90 + √16.01*√24.91 = ? – (3/4)*(95.98)
   a) 114
   b) 124
   c) 128
   d) 134
   e) 136
   
   Answer & Explanation

   Answer – b) 124
   Explanation :
   32 + 4*5 = ? – 3*24
   ? = 124
   
   
   
9. 21% of 4200 + 47% of 3000 -? = 17.001*21.998
   a) 1818
   b) 1898
   c) 1918
   d) 1928
   e) none of these
   
   Answer & Explanation

   Answer – c) 1918
   Explanation :
   21*42 + 47*30 – ? = 17*22
   ? = 1918
   
   
   
10. (3/7)*(14/19)*(38/3)*? = 17
    a) 11/4
    b) 13/4
    c) 15/4
    d) 17/4
    e) 19/4
    
    Answer & Explanation

    Answer – d) 17/4
    Explanation :
    ? *2*2 = 17
    ? = 17/4
    
    
    

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